Home / 2,918.10-4,374.36-968.94

Finding the Fourth Proportional to 2,918.10, 4,374.36 and 968.94

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Solution

The fourth proportional to 2,918.10, 4,374.36 and 968.94 is: 1,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.10 : 4,374.36 = 968.94 : x
  2. Step 2: Convert to fraction form
    2,918.10/4,374.36 = 968.94/x
  3. Step 3: Cross multiply
    2,918.10x = 4,374.36 × 968.94
  4. Step 4: Simplify right side
    2,918.10x = 4,238,492.38
  5. Step 5: Solve for x
    x = 4,238,492.38/2,918.10
  6. Step 6: Final answer
    x = 1,452.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.